Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Python Python Collections (2016, retired 2019) Lists Removing items from a list

Noah Harness
Noah Harness
1,383 Points
Posted by Noah Harness
Noah Harness
1,383 Points

Insert() and pop() on a single line of code

I am having trouble changing the order of this code without running into problems.

PLEASE HELP ME I AM SO SAD THAT I AM HAVING SO MUCH TROUBLE I FEEL LIKE THIS SHOULD BE EASY BUT I AM MAD STRUGGLING

lists.py 
messy_list = ["a", 2, 3, 1, False, [1, 2, 3]]

# Your code goes below here
messy_list.insert(messy_list.pop(3), 0))

1 Answer

Steven Parker
Steven Parker
231,275 Points
Steven Parker
Steven Parker
231,275 Points

You're really close!

But insert takes the index as the first argument, and you have one too may closing parentheses at the end of the line.

messy_list.insert(0, messy_list.pop(3))